Mexico's government said it will impose a tariff of up to 30 percent on footwear imports, part of a package of measures to combat what it says is unfair competition in that sector. During the Leather and Footwear Fair in the central city of Leon, Mexican Finance Secretary Luis Videgaray said all footwear imports will be hit with a tariff equivalent to between 25 percent and 30 percent of their declared customs value. The package of measures nulli…